Storm Station
Herald, California
60° 80°/54°
Overcast· Feels like 60°·Light breeze 4 mph W
Mostly cloudy. Low around 53, with temperatures rising to around 55 overnight. Southeast wind 2 to 6 mph.
0UV Low
41Air quality
65%Humidity
94%Cloud
Now
12:45 AM
60feels60
now, overcast
Today
Sep 27
8054
13mph
overcast
Mon
Sep 28
8648
mostly clear day
Tue
Sep 29
9456
UV 6
overcast
Wed
Sep 30
9560
UV 6
clear day
Thu
Oct 1
9762
UV 6
mostly clear day
Fri
Oct 2
9963
mostly clear day
Sat
Oct 3
10166
partly cloudy day
60°
80°54°
86°48°
94°56°
95°60°
97°62°
99°63°
101°66°

As of 12:45 AM in Herald, California.

What is measuring near here

The 5 instruments nearest Herald, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.6 miles away.

measured now3 instruments

99NB at Dillard RoadCD044

Beside a road/6.1 mi away/43 ft/32 ft below here

temp, pavement temp, wind, visibility, precip

Rank2,563of 3,115

Rosemont - Vineyard WTPVWTC1

At a water treatment plant/14.8 mi away/80 ft/5 ft above here

temp, wind, gust, humidity, pressure

Rank3,050of 3,115

Mather FieldMHR

At an airfield/18.4 mi away/95 ft/20 ft above here

temp, wind, gust, visibility, precip, pressure

Rank2,788of 3,115

measured daily2 instruments

Acampo 5NEACPC1

At a cooperative observer's station/5.6 mi away/83 ft/8 ft above here

snowfall, snow depth, precip, high, low

Rank-

Galt 2.3 SWCA-SA-97

In a volunteer observer's own ground/5.8 mi away/42 ft/33 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Mather Field, drawn

The nearest airport reporting now, 18.4 mi from Herald. From its report of Sep 27, 2026, 12:15 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Mather Field, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MHRFIG. A THE SKY OVER MATHER FIELDSECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMather Field, the skySTATION REPORT · ASOS MHRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-MHR-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

59.0 F with a dew point of 47.0 F, 64 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,800 ft up.

Chart of the air at Mather Field: temperature 59.0 degrees Fahrenheit and dew point 47.0, 64 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,800 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MHRFIG. B THE AIR AT MATHER FIELDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00030 F40 F50 F60 F70 FSATURATES 2,800 FT ABOVE THE STATION, AT 44.3 FTEMPERATURE 59.0 FDEW POINT 47.0 FSPREAD 12.0 FRELATIVE HUMIDITY 64 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEMather Field, the airSTATION REPORT · ASOS MHRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-MHR-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southeast (140 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Mather Field, north up: blowing from 140 degrees, the southeast, at 6 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MHRFIG. C THE WIND AT MATHER FIELDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 140°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMather Field, the windSTATION REPORT · ASOS MHRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-MHR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Mather Field, in 6 sheets, each beside the Field Book plates that explain it

-in

Snow on the ground

Elsewhere in California

33 places, each with its own forecast and its own instruments.

Near Herald

The nearest places, each with its own forecast and the instruments nearest it.